I agree with you but on second thoughts, maybe that's okay if it pays for itself over time? I pay my ISP ₹3K a month. I wouldn't mind buying SpaceX's router for say ₹30K if my bill drops to ₹1K a month.
https://www.theguardian.com/technology/2016/may/12/facebook-...
It will take off if it's better bang for the buck at any market segment. That can be Rs. 100 a month or Rs.2000 a month. If it's better than the alternatives people can get at that price, they'll use it.
https://www.televisionpost.com/dosisro-initiating-efforts-to...
FB was net neutrality, but they want to keep as much as possible, including all communications, with their own technology.